IV
WordNet
adjective
(1) Being one more than three
noun
(2) Administration of nutrients through a vein
(3) The cardinal number that is the sum of three and one
WiktionaryText
Cardinal number
IV or iv
- A roman numeral representing four (4).
IV
- Used to indicate an ordinal number; the fourth (common as a name suffix.)
IV
- Intravenous.
- Instrumental variable.